When it comes to tracking your heart rate, nothing beats using equipment designed for such a purpose, such as chest strap heart rate monitors or electrocardiograms. However, if you're looking for an easy way to get a potential measurement of your heart rate, there are smartphone apps out there that use your phone's camera to measure heart rate.

The upcoming Xiaomi 15 Ultra's global variant memory and color options have just leaked, and things are looking good for the upcoming contender for the best Android phone. The recently revealed Galaxy S25 Ultra is getting quite a lot of competitors,

Smartphones also leave a trail of web activity and notifications. A forensic expert can uncover whether a driver was browsing the internet, reading articles or checking notifications just before the crash. Such data builds a case by showing how the driver's attention may have been diverted.

Apple lost the top spot in the Chinese smartphone market after a domestic brand replaced the iPhone as the country's top choice.

One of the biggest advantages of using a mirrorless camera over a smartphone is access to a range of impressive telephoto zoom lenses – but a Hong Kong company is aiming to give smartphones a massive 20x to 60x zoom with an add-on lens. The Apexel 20-60x is an add-on zoom lens that gives smartphones up to a 60x zoom, but it needs manual focusing.

Spokeo reviewed academic research and survey data to answer important questions facing parents considering when to give their children a smartphone.

Alongside the Galaxy S25 Ultra, Samsung will also update Galaxy AI. How will this define AI smartphones in 2025 and beyond?

Another challenge that smartphone users face when shooting macro pictures is getting close enough to their subject without casting the device’s shadow on the subject. The Apexel PhoneMicro 5 Kit overcomes the shadow problem by using a tiny LED ring light to illuminate your subject - even if the smartphone’s lens is placed directly against a surface such as a piece of paper or the back of your hand.

Semiconductors, like silicon, are vital for electronics and AI, enabling fast data processing, memory retention, energy efficiency, and complex computations in smartphones

Nothing Phone 3a series is expected to feature two smartphones, likely successors to both the Phone 2a and Phone 2a Plus